Finding the Fourth Proportional to 33,243.92, 45,870.34 and 19,816.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,243.92 : 45,870.34 = 19,816.42 : x
2. Step 2: Convert to fraction form
   33,243.92/45,870.34 = 19,816.42/x
3. Step 3: Cross multiply
   33,243.92x = 45,870.34 × 19,816.42
4. Step 4: Simplify right side
   33,243.92x = 908,985,758.77
5. Step 5: Solve for x
   x = 908,985,758.77/33,243.92
6. Step 6: Final answer
   x = 27,342.92